<div class="mst">
  <div class="msr">
    <button nz-button nzType="primary" nzShape="circle">
      <span nz-icon nzType="search"></span>
    </button>
    <button nz-button nzType="primary" nzShape="circle">A</button>
    <button nz-button nzType="primary">
      <span nz-icon nzType="search"></span>
      Search
    </button>

    <button nz-button nzShape="circle">
      <span nz-icon nzType="search"></span>
    </button>
    <button nz-button>
      <span nz-icon nzType="search"></span>
      Search
    </button>
  </div>
  <div class="msr">
    <button nz-button nzShape="circle">
      <span nz-icon nzType="search"></span>
    </button>
    <button nz-button>
      <span nz-icon nzType="search"></span>
      Search
    </button>
    <button nz-button nzShape="circle" nzType="dashed">
      <span nz-icon nzType="search"></span>
    </button>
    <button nz-button nzType="dashed">
      <span nz-icon nzType="search"></span>
      Search
    </button>
  </div>
</div>
